Add empleado, borrado del seeder, cambios esteticos y middleware.

app/Http/Controllers/SupplierController.php

@@ -4,6 +4,13 @@ use Illuminate\Http\Request;
 use App\Models\Supplier;
 class SupplierController extends Controller
 {
+    private function checkAdmin()
+    {
+        if (auth()->check() && auth()->user()->role !== 'admin') {
+            abort(403, 'Solo los administradores pueden realizar esta acción.');
+        }
+    }
+
     /**
      *   grilla de proveedores con buscador
      */
@@ -27,12 +34,14 @@ class SupplierController extends Controller
      */
     public function create()
     {
+        $this->checkAdmin();
         return view('suppliers.create');
     }
 
 
     public function store(Request $request)
     {
+        $this->checkAdmin();
         $validated = $request->validate([
             'name'    => 'required|string|max:255',
             'phone'   => 'nullable|string|max:50',
@@ -56,11 +65,13 @@ class SupplierController extends Controller
 
     public function edit(Supplier $supplier)
     {
+        $this->checkAdmin();
         return view('suppliers.edit', compact('supplier'));
     }
     
     public function update(Request $request, Supplier $supplier)
     {
+        $this->checkAdmin();
         $validated = $request->validate([
             'name'    => 'required|string|max:255',
             'phone'   => 'nullable|string|max:50',
@@ -79,6 +90,7 @@ class SupplierController extends Controller
      */
     public function destroy(Supplier $supplier)
     {
+        $this->checkAdmin();
         try {
             $supplier->delete();
             return redirect()->route('suppliers.index')